The two brothers of accused kidnapper Ariel Castro — who is charged with kidnapping and raping three women for more than 10 years — described him as a “monster” and distanced themselves from the alleged crimes, saying if they had known what was happening behind closed doors, they would have reported it to police.

Castro’s two brothers – Pedro and Onil — were initially taken into custody with their brother but released Thursday after investigators said there was no evidence linking them to the alleged crimes against Amanda Berry, 27, Gina DeJesus, 23, and Michelle Knight, 27.

The brothers told CNN in an exclusive interview that their brother is a “monster” and since they were arrested with him they have received death threats.

“I hope he rots in that jail,” Onil Castro, 50, said. “I don’t even want them to take his life like that. I want him to suffer in that jail to the last extent. I don’t care if they even feed him. What he has done to my life and my family’s.”